The binding sites of Iron atom in the structure of Structure of Reduced Cytochrome C6 From Synechococcus Sp. Pcc 7002 (pdb code 3dr0). This binding sites where shown with 5.0 Angstroms radius around Iron atom. The 3dr0 structure was solved by W.BIALEK, S.KRZYWDA, M.JASKOLSKI, A.SZCZEPANIAK, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:

Resolution (A)

19.6-1.2

Space group

P32

a (A)

82.879

b (A)

82.879

c (A)

28.277

alpha (°)

90.00

beta (°)

90.00

gamma (°)

120.00

Rfactor (%)

10.7

Rfree (%)

13.8

Iron Binding Sites:

Iron binding site 1 out of 3 in 3dr0

Click to enlarge

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Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Iron in the PDB 3dr0. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Iron atom, shown by VdW sphereResidues shown as a stick model or VDW spheres: A: His18, A: Met65, A: Hem94,

conact list:

Atom

Atom

Distance (A)

Fe

NE2 A:His18

2.05

Fe

ND1 A:His18

4.15

Fe

CD2 A:His18

3.01

Fe

CE1 A:His18

3.04

Fe

CG A:His18

4.16

Fe

CB A:Met65

4.07

Fe

CE A:Met65

3.40

Fe

CG A:Met65

3.53

Fe

SD A:Met65

2.33

Fe

CA A:Met65

4.55

Fe

C2D A:Hem94

4.28

Fe

NC A:Hem94

2.03

Fe

CHB A:Hem94

3.37

Fe

CHC A:Hem94

3.41

Fe

C3D A:Hem94

4.29

Fe

NA A:Hem94

1.99

Fe

CHA A:Hem94

3.40

Fe

C2A A:Hem94

4.25

Fe

C1D A:Hem94

3.05

Fe

C4A A:Hem94

3.04

Fe

C4B A:Hem94

3.03

Fe

C3A A:Hem94

4.25

Fe

C4C A:Hem94

3.06

Fe

C2B A:Hem94

4.26

Fe

C1C A:Hem94

3.05

Fe

C2C A:Hem94

4.28

Fe

ND A:Hem94

2.02

Fe

CHD A:Hem94

3.42

Fe

C1B A:Hem94

3.04

Fe

NB A:Hem94

2.03

Fe

FE A:Hem94

0.00

Fe

C3C A:Hem94

4.29

Fe

C3B A:Hem94

4.26

Fe

C4D A:Hem94

3.05

Fe

C1A A:Hem94

3.02

interactive model:

Iron binding site 2 out of 3 in 3dr0

Click to enlarge

Click to enlarge

Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Iron in the PDB 3dr0. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Iron atom, shown by VdW sphereResidues shown as a stick model or VDW spheres: B: His18, B: Met65, B: Hem94,

conact list:

Atom

Atom

Distance (A)

Fe

NE2 B:His18

2.07

Fe

ND1 B:His18

4.16

Fe

CD2 B:His18

3.06

Fe

CE1 B:His18

3.05

Fe

CG B:His18

4.19

Fe

CB B:Met65

4.15

Fe

CE B:Met65

3.45

Fe

CG B:Met65

3.55

Fe

SD B:Met65

2.33

Fe

CA B:Met65

4.67

Fe

C2D B:Hem94

4.27

Fe

NC B:Hem94

2.00

Fe

CHB B:Hem94

3.37

Fe

CHC B:Hem94

3.42

Fe

C3D B:Hem94

4.28

Fe

NA B:Hem94

2.00

Fe

CHA B:Hem94

3.42

Fe

C2A B:Hem94

4.25

Fe

C1D B:Hem94

3.04

Fe

C4A B:Hem94

3.02

Fe

C4B B:Hem94

3.05

Fe

C3A B:Hem94

4.27

Fe

C4C B:Hem94

3.03

Fe

C2B B:Hem94

4.26

Fe

C1C B:Hem94

3.04

Fe

C2C B:Hem94

4.27

Fe

ND B:Hem94

2.04

Fe

CHD B:Hem94

3.39

Fe

C1B B:Hem94

3.05

Fe

NB B:Hem94

2.03

Fe

FE B:Hem94

0.00

Fe

C3C B:Hem94

4.23

Fe

C3B B:Hem94

4.26

Fe

C4D B:Hem94

3.09

Fe

C1A B:Hem94

3.03

interactive model:

Iron binding site 3 out of 3 in 3dr0

Click to enlarge

Click to enlarge

Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Iron in the PDB 3dr0. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Iron atom, shown by VdW sphereResidues shown as a stick model or VDW spheres: C: His18, C: Met65, C: Hem94,